Canon Kabushiki Kaisha

Yohei Iwasaki

Fumihiro Goto

Kazunori Ueno

Taiki Watanabe

Ryohei Goto

Koichi Suzuki

Tetsuo Takahashi

Hajime Muta

Takumi Otani

Naoki Yamada

Yosuke Nishide

Tomoko Suzuki

Keiji Okinaka

Satoru Shiobara

Minako Nakasu

Maki Okajima

A printed material of the present invention is a printed material including a recording medium, a color material layer, and a fine irregular layer functioning as an outermost layer in this order; the color material layer contains a pigment; the fine irregular layer contains spherical particles having a specific average particle diameter; the spherical particles are present in a thickness direction of the fine irregular layer; and the surface of the fine irregular layer has convex portions having an average height of 0.04 to 0.15 &#x3bc;m and an image definition C(2) is 50% or more.

Printed material, image recording method, and image recording apparatus

An ink jet recording method of the present invention includes a fixing step under the following condition (1) or (2) when on a recording medium, an image including an image part formed of colored ink and an image part formed of transparent ink is fixed:1&#x3e;MFT1&#x3e;MFT2 and MFT1&#x3e;2&#x3e;MFT2&#x2003;&#x2003;(1)1&#x3e;MFT2&#x3e;MFT1 and MFT2&#x3e;2&#x3e;MFT1.&#x2003;&#x2003;(2)MFT1: Minimum film forming temperature of colored inkMFT2: Minimum film forming temperature of transparent inkT1: Temperature of fixing member when image is heated and pressedT2: Temperature of fixing member when image is separated from fixing member.

Ink jet recording method

An ink jet recording method of the present invention includes a step of applying a reaction liquid onto a transfer body, an ink image forming step, a liquid removing step of bringing a porous body of a liquid absorbing member into contact with the ink image on the transfer body to remove 70% by mass or more of the liquid component from the ink image, a transfer step, and a smoothing step of bringing a fixing member into contact with the ink image on the recording medium, heating and pressing the ink image at a temperature not less than the softening point of the resin to smooth the surface of the ink image, and releasing the heated and pressed ink image from the fixing member at a temperature less than the softening point of the resin.

Ink jet recording method and ink jet recording apparatus with bringing porous body of liquid absorbing member into contact with ink image

Provided is an organic light emitting device that has high efficiency and high durability against continuous driving. The organic light emitting device includes an anode, a cathode, and organic compound layers placed between the anode and the cathode, in which the organic compound layers include a hole transport layer and an emitting layer, the hole transport layer and the emitting layer are in contact with each other, the hole transport layer has an arylamine compound and an aromatic hydrocarbon compound, and the emitting layer has a host and an electron trap dopant.

Organic light emitting device

Aspects of the present invention provide a blue organic light-emitting device having a continuous operation lifetime. An organic light-emitting device includes a light-emitting layer containing a dopant having the ability to trap electrons or holes, and a hole-blocking layer or electron-blocking layer, in which the difference between the LUMO of the dopant and the LUMO of a host material, the size relationship between the HOMO of the host material and the HOMO of the dopant, and the difference between the Tof the host material and the Tof the hole-blocking layer or between the Tof the host material and the Tof the electron-blocking layer, are specified.

Organic light-emitting device

An organic light emitting device having a high efficiency and durability is provided. The organic light emitting device includes an anode, a cathode and a layer formed of an organic compound interposed between the anode and the cathode, and contains at least one kind of the fluorene compound represented by the following general formula (I) or (II): wherein Rto Reach represent an alkyl group, a fluorinated alkyl group, a substituted or unsubstituted aralkyl group, or a substituted or unsubstituted aryl group; and Arto Arrepresent a substituted or unsubstituted aryl group or a substituted or unsubstituted polycondensed aromatic group.

Fluorene compound, organic light emitting device and display device using the fluorene compound

Provided is an organic electroluminescent device that brings together a high efficiency, high durability, and a high color purity. The organic electroluminescent device includes an anode, a cathode, and a layer including an organic compound interposed between the anode and the cathode, in which the layer contains at least one organic germanium compound having two or more fluorenyl groups per one germanium atom.

Organic electroluminescent device

An organic light-emitting device adapted for coating and having good emission efficiency and luminance. The organic light-emitting device employs an anode, a cathode, and a layer including an organic compound sandwiched between the anode and cathode. The layer containing the organic compound includes a bisfluorene compound represented by General Formula [1] below. wherein in Formula [1], A is a substituted or unsubstituted alkylene group, a substituted or unsubstituted cycloalkylene group, a substituted silylene group, a substituted germylene group, an oxygen atom, and a sulfur atom.

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Tokyo, Japan

Yohei Iwasaki